Patents by Inventor Qing Lai
Qing Lai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230146128Abstract: A vehicle and a battery pack thereof are provided. The battery pack includes a tray, a pressing plate, and multiple battery cores arranged in an array. An accommodating space is formed in the tray. The multiple battery cores are accommodated in the accommodating space. The pressing plate is pressed against the multiple battery cores. Two opposite ends of the pressing plate are both fixed to the tray.Type: ApplicationFiled: January 5, 2023Publication date: May 11, 2023Inventors: Huanhuan WANG, Kai LIU, Muqing HUANG, Qing LAI
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Patent number: 11056748Abstract: A battery pack comprises a plurality of batteries. The protection device is disposed between two adjacent batteries and comprises: a first connecting assembly, a second connecting assembly and a conductive connecting assembly. The protection device has a normal state and an alarm state. When the protection device is in the normal state, the first connecting assembly and the second connecting assembly are spaced apart, and the overload protection circuit is open. When the protection device is in the alarm state, the first connecting assembly is electrically connected with the housing of the first battery, the second connecting assembly is electrically connected with the housing of the second battery, at least one of the first connecting assembly and the second connecting assembly moves to be electrically connected with each other, and the overload protection circuit is closed.Type: GrantFiled: July 5, 2017Date of Patent: July 6, 2021Assignee: BYD COMPANY LIMITEDInventors: Jianhua Zhu, Qing Lai, Zhiwei Tong, Yan Zhu
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Patent number: 10916750Abstract: The present disclosure provides a power battery pack, including: a battery pack case, at least one battery module, and a return pipe. An oil inlet and an oil outlet are formed on the battery pack case, and insulation oil is charged from the oil inlet into the battery pack case. Each of the at least one battery module is disposed in the battery pack case, and each battery module includes a module case and at least one unit cell disposed in the module case. The unit cell is immersed in the insulation oil, and the bottom of the module case is provided with a through hole and the top of the module case is provided with at least one exhaust vent. The return pipe is disposed outside the battery pack case, and the return pipe is connected between the oil outlet and the oil inlet.Type: GrantFiled: June 8, 2017Date of Patent: February 9, 2021Assignee: BYD COMPANY LIMITEDInventors: Jiyang Zhao, Qing Lai, Yanzi Ren, Jianhua Zhu, Yan Zhu
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Publication number: 20200127252Abstract: A battery pack comprises a plurality of batteries. The protection device is disposed between two adjacent batteries and comprises: a first connecting assembly, a second connecting assembly and a conductive connecting assembly. The protection device has a normal state and an alarm state. When the protection device is in the normal state, the first connecting assembly and the second connecting assembly are spaced apart, and the overload protection circuit is open. When the protection device is in the alarm state, the first connecting assembly is electrically connected with the housing of the first battery, the second connecting assembly is electrically connected with the housing of the second battery, at least one of the first connecting assembly and the second connecting assembly moves to be electrically connected with each other, and the overload protection circuit is closed.Type: ApplicationFiled: July 5, 2017Publication date: April 23, 2020Applicant: BYD COMPANY LIMITEDInventors: Jianhua ZHU, Qing LAI, Zhiwei TONG, Yan ZHU
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Publication number: 20190348652Abstract: The present disclosure provides a power battery pack, including: a battery pack case, at least one battery module, and a return pipe. An oil inlet and an oil outlet are formed on the battery pack case, and insulation oil is charged from the oil inlet into the battery pack case. Each of the at least one battery module is disposed in the battery pack case, and each battery module includes a module case and at least one unit cell disposed in the module case. The unit cell is immersed in the insulation oil, and the bottom of the module case is provided with a through hole and the top of the module case is provided with at least one exhaust vent. The return pipe is disposed outside the battery pack case, and the return pipe is connected between the oil outlet and the oil inlet.Type: ApplicationFiled: June 8, 2017Publication date: November 14, 2019Inventors: Jiyang ZHAO, Qing LAI, Yanzi REN, Jianhua ZHU, Yan ZHU
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Publication number: 20190334146Abstract: A protection device includes a casing assembly, a sealing film, and a temperature-sensitive actuating piece. A receiving chamber for receiving an inert gas is defined in the casing assembly. One end of the receiving chamber is provided with an opening. The sealing film is disposed at the opening to seal the receiving chamber. The actuating piece is disposed in the receiving chamber, and the actuating piece is provided with a piercing protrusion. When the actuating piece is deformed, the piercing protrusion pierces the sealing film.Type: ApplicationFiled: June 8, 2017Publication date: October 31, 2019Applicant: BYD COMPANY LIMITEDInventors: Qing LAI, Zhiwei TONG, Yan ZHU, Jianhua ZHU
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Patent number: 10396409Abstract: A heat sink and power battery system are provided. The heat sink includes a heat dissipation plate and a cover plate. The heat dissipation plate includes a bottom plate and a plurality of fins arranged on the bottom plate in a comb-like pattern. The cover plate is fixedly connected to the heat dissipation plate. The fins of the heat dissipation plate are disposed between the bottom plate and the cover plate, and an air duct is formed among the bottom plate, the fins, and the cover plate.Type: GrantFiled: April 27, 2017Date of Patent: August 27, 2019Assignee: BYD COMPANY LIMITEDInventors: Zhiwei Tong, Qing Lai, Jianhua Zhu
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Patent number: 10381632Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.Type: GrantFiled: January 27, 2014Date of Patent: August 13, 2019Assignees: SHENZHEN BYD AUTO R&D COMPANY LIMITED, BYD COMPANY LIMITEDInventors: Weixin Zheng, Qing Lai, Jianhua Zhu
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Publication number: 20190198951Abstract: The disclosure relates to a battery module, a power battery pack, and a vehicle. The battery module includes a plurality of intermediate separators stacked in a left and right direction on the battery module, a plurality of cells, a mounting plate provided on a front side of the battery module, and a ventilator fixed on the mounting plate. The intermediate separator is provided with an intermediate heat-dissipation air plate, and an intermediate heat-dissipation air passage passing through a front and rear direction is formed inside the intermediate heat-dissipation air plate. Heat is exchanged between a left side face of the intermediate heat-dissipation air plate and a right side face of a cell on a left side of the intermediate heat-dissipation air plate, and is exchanged between a right side face of the intermediate heat-dissipation air plate and a left side face of a cell on a right side of the intermediate heat-dissipation air plate.Type: ApplicationFiled: August 14, 2017Publication date: June 27, 2019Inventors: Zhiwei TONG, Qing LAI, Jianhua ZHU, Yan ZHU
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Patent number: 10243181Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, each separator comprising: a separator body having a front portion defining a front accommodating groove and a rear portion; a left cover; a right cover, a battery group, a power connection member, a power connection line and a line snap-fit; in which adjacent separators are detachably connected with each other, and the front accommodating groove of one of the adjacent separators and the rear portion of the separator body of the other of the adjacent separators define a battery chamber, and a snapping hole is formed in at least one of upper and lower walls of the front accommodating groove.Type: GrantFiled: June 21, 2016Date of Patent: March 26, 2019Assignee: BYD Company LimitedInventors: Jiyang Zhao, Qing Lai, Zhiwei Tong, Yan Zhu, Jianhua Zhu
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Patent number: 10147930Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.Type: GrantFiled: January 27, 2014Date of Patent: December 4, 2018Assignees: SHENZHEN BYD AUTO R&D COMPANY LIMITED, BYD COMPANY LIMITEDInventors: Weixin Zheng, Qing Lai, Jianhua Zhu
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Patent number: 9979001Abstract: A battery explosion-proof device battery explosion-proof device includes a valve body, a rupture plate, and a protecting cover. The valve body includes a base portion and a shaft portion connected with the base portion. The shaft portion may be formed with threads on an external circumferential surface thereof and with a venting passage. The rupture plate may be disposed inside a concaved portion of the base portion for sealing the venting passage. The protecting cover covers the concaved portion.Type: GrantFiled: April 16, 2014Date of Patent: May 22, 2018Assignees: SHENZHEN BYD AUTO R&D COMPANY LIMITED, BYD COMPANY LIMITEDInventors: Hu Wan, Zhiwei Tong, Qing Lai, Jianhua Zhu
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Publication number: 20170294693Abstract: A heat sink and power battery system are provided. The heat sink includes a heat dissipation plate and a cover plate. The heat dissipation plate includes a bottom plate and a plurality of fins arranged on the bottom plate in a comb-like pattern. The cover plate is fixedly connected to the heat dissipation plate. The fins of the heat dissipation plate are disposed between the bottom plate and the cover plate, and an air duct is formed among the bottom plate, the fins, and the cover plate.Type: ApplicationFiled: April 27, 2017Publication date: October 12, 2017Inventors: ZHIWEI TONG, QING LAI, JIANHUA ZHU
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Publication number: 20170098867Abstract: The present disclosure provides a battery module and a signal collection unit of the same, and the signal collection unit includes: a circuit board having a circuit thereon; a signal collection terminal including a protection cover electrically connected with the circuit and an electric connection sheet connected with the protection cover, the protection cover being disposed on a surface of the circuit board and a chamber being defined by the protection cover and the circuit board, the electric connection sheet being extended beyond an edge of the circuit board, and a temperature-sensing element disposed in the chamber and on the surface of the circuit board, and insulated from the protection cover.Type: ApplicationFiled: December 19, 2016Publication date: April 6, 2017Inventors: JIYANG ZHAO, QING LAI, YAN ZHU, JIANHUA ZHU
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Patent number: 9564665Abstract: An electricity supply system comprises: a battery module, a control module, and a distribution box. The battery module includes at least two in-series modules, each comprising at least two battery groups connected in series. The control module is connected with the battery module and includes an IGBT module, a relay module, and a relay control module. The relay module includes a plurality of relays K. Each in-series module is connected to the relay module. The relay module is connected to the IGBT module. The relay control module is configured for controlling ON or OFF of each relay K so as to select an in-series module to work with the IGBT module. The distribution box is connected with the control module.Type: GrantFiled: January 28, 2014Date of Patent: February 7, 2017Assignees: BYD Company Limited, Shenzhen BYD Auto R&D Company LimitedInventors: Zhiwei Tong, Jianhua Zhu, Zhipei Lu, Qing Lai
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Publication number: 20160301048Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, each separator comprising: a separator body having a front portion defining a front accommodating groove and a rear portion; a left cover; a right cover, a battery group, a power connection member, a power connection line and a line snap-fit; in which adjacent separators are detachably connected with each other, and the front accommodating groove of one of the adjacent separators and the rear portion of the separator body of the other of the adjacent separators define a battery chamber, and a snapping hole is formed in at least one of upper and lower walls of the front accommodating groove.Type: ApplicationFiled: June 21, 2016Publication date: October 13, 2016Inventors: JIYANG ZHAO, QING LAI, ZHIWEI TONG, YAN ZHU, JIANHUA ZHU
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Patent number: D801302Type: GrantFiled: August 3, 2016Date of Patent: October 31, 2017Assignee: Shenzhen Joway Power Supply Co, LtdInventor: Qing Lai
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Patent number: D801313Type: GrantFiled: July 13, 2016Date of Patent: October 31, 2017Assignee: Shenzhen Joway Power Supply Co., LtdInventor: Qing Lai
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Patent number: D936637Type: GrantFiled: March 23, 2021Date of Patent: November 23, 2021Assignee: SHENZHEN JOWAY POWER SUPPLY CO., LTDInventor: Qing Lai
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Patent number: D1027858Type: GrantFiled: December 28, 2022Date of Patent: May 21, 2024Inventor: Qing Lai